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authorAnand Avati <avati@gluster.com>2011-02-04 21:43:19 +0000
committerAnand V. Avati <avati@dev.gluster.com>2011-02-22 02:11:53 -0800
commita144f2ca40d43a6ee3a50802fe1e8d1eda7a53b7 (patch)
treea9905a711fc1c0efb706dce7838cf9f0e8af44ed /xlators
parent595e0df48bf387a87eb62a76d437a7ea79a0bc8a (diff)
core: have framework for GF_EVENT_CHILD_MODIFIED notifcation event
If anything changes anywhere in the graph, all xlators know that something has changed. Previously dht and afr would mask certain events from propagating up. Now they forward GF_EVENT_CHILD_MODIFIED event in those situations Signed-off-by: Anand Avati <avati@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 2450 (scalability enhancements) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2450
Diffstat (limited to 'xlators')
-rw-r--r--xlators/cluster/afr/src/afr-common.c4
-rw-r--r--xlators/cluster/dht/src/dht-common.c9
2 files changed, 12 insertions, 1 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index 4b59d26db32..ffd2200066f 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -2552,6 +2552,8 @@ afr_notify (xlator_t *this, int32_t event,
"going online.", ((xlator_t *)data)->name);
default_notify (this, event, data);
+ } else {
+ default_notify (this, GF_EVENT_CHILD_MODIFIED, data);
}
break;
@@ -2582,6 +2584,8 @@ afr_notify (xlator_t *this, int32_t event,
"until atleast one of them comes back up.");
default_notify (this, event, data);
+ } else {
+ default_notify (this, GF_EVENT_CHILD_MODIFIED, data);
}
break;
diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index 18f15696b16..ef8fb1a602a 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -5046,6 +5046,13 @@ dht_notify (xlator_t *this, int event, void *data, ...)
break;
+ case GF_EVENT_CHILD_MODIFIED:
+ subvol = data;
+
+ conf->gen++;
+
+ break;
+
case GF_EVENT_CHILD_DOWN:
subvol = data;
@@ -5134,7 +5141,7 @@ dht_notify (xlator_t *this, int event, void *data, ...)
}
}
- if (propagate)
+ if (propagate || event == GF_EVENT_CHILD_MODIFIED)
ret = default_notify (this, event, data);
return ret;